<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBreadcrumb>
        <XtxBreadcrumbItem to="/">首页</XtxBreadcrumbItem>
        <XtxBreadcrumbItem>购物车</XtxBreadcrumbItem>
      </XtxBreadcrumb>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <XtxCheckbox
                  @change="checkAll"
                  :modelValue="$store.getters['cart/isCheckAll']"
                  >全选</XtxCheckbox
                >
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-if="$store.getters['cart/validList'].length === 0">
              <td colspan="6">
                <CartNone />
              </td>
            </tr>
            <tr
              v-for="item in $store.getters['cart/validList']"
              :key="item.skuId"
            >
              <td>
                <XtxCheckbox
                  @change="$event => checkOne(item.skuId, $event)"
                  :modelValue="item.selected"
                />
              </td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${item.id}`"
                    ><img :src="item.picture" alt=""
                  /></RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <!-- 选择规格组件 -->
                    <!-- <p class="attr">{{ item.attrsText }}</p> -->
                    <cart-sku
                      @change="updateCart"
                      :attrsText="item.attrsText"
                      :skuId="item.skuId"
                    />
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p v-if="item.price - item.nowPrice > 0">
                  比加入时降价
                  <span class="red">&yen;{{ item.price - item.nowPrice }}</span>
                </p>
              </td>
              <td class="tc">
                <XtxNumbox
                  :max="item.stock"
                  @change="$event => changeCount(item.skuId, $event)"
                  :modelValue="item.count"
                />
              </td>
              <td class="tc">
                <p class="f16 red">
                  &yen;{{ (item.nowPrice * 100 * item.count) / 100 }}
                </p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p>
                  <a
                    class="green"
                    @click="deleteCart(item.skuId)"
                    href="javascript:;"
                    >删除</a
                  >
                </p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length > 0">
            <tr>
              <td colspan="6"><h3 class="tit">失效商品</h3></td>
            </tr>
            <tr
              v-for="item in $store.getters['cart/validList']"
              :key="item.skuId"
            >
              <td><XtxCheckbox style="color:#eee;" /></td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${item.id}`">
                    <img :src="item.picture" alt="" />
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">{{ item.name }}</p>
                    <p class="attr">{{ item.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
              </td>
              <td class="tc">{{ item.count }}</td>
              <td class="tc">
                <p>&yen;{{ (item.nowPrice * 100 * item.count) / 100 }}</p>
              </td>
              <td class="tc">
                <p>
                  <a
                    class="green"
                    @click="deleteCart(item.skuId)"
                    href="javascript:;"
                    >删除</a
                  >
                </p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckbox
            @change="checkAll"
            :modelValue="$store.getters['cart/isCheckAll']"
            >全选</XtxCheckbox
          >
          <a href="javascript:;" @click="batchDeleteCart(false)">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;" @click="batchDeleteCart(true)">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters['cart/validTotal'] }} 件商品，已选择
          {{ $store.getters['cart/selectedTotal'] }} 件，商品合计：
          <span class="red">¥{{ $store.getters['cart/selectedAmount'] }}</span>
          <XtxButton type="primary" @click="goCheckout()">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>
<script>
import GoodRelevant from '@/views/goods/components/goods-relevant'
import CartNone from './components/cart-none.vue'
import CartSku from './components/cart-sku.vue'
import { useStore } from 'vuex'
import { useRouter } from 'vue-router'
import Confirm from '@/components/library/Confirm'
import Message from '@/components/library/Message'
export default {
  name: 'XtxCartPage',
  components: { GoodRelevant, CartNone, CartSku },
  setup () {
    const store = useStore()

    const checkOne = (skuId, selected) => {
      store.dispatch('cart/asyncUpdateCart', { skuId, selected })
    }

    const checkAll = selected => {
      store.dispatch('cart/asyncCheckAllCart', selected)
    }

    const deleteCart = skuId => {
      Confirm({ content: '您确认从购物车删除该商品吗？' })
        .then(() => {
          store.dispatch('cart/asyncDeleteCart', skuId)
        })
        .catch(err => {
          console.log(err)
        })
    }

    // 批量删除
    const batchDeleteCart = isClear => {
      Confirm({
        content: `您确定从购物车删除${isClear ? '失效' : '选中'}的商品吗？`
      })
        .then(() => {
          store.dispatch('cart/asyncBatchDeleteCart', isClear)
        })
        .catch(err => {
          console.log(err)
        })
    }

    // 更改商品数量
    const changeCount = (skuId, count) => {
      store.dispatch('cart/asyncUpdateCart', { skuId, count })
    }

    // 更改了购物车中的规格
    const updateCart = val => {
      store.dispatch('cart/asyncUpdateCartSku', val)
    }

    // 跳转结算页面
    const router = useRouter()
    const goCheckout = () => {
      // 1. 判断是否选择有效商品
      // 2. 判断是否已经登录，未登录 弹窗提示
      // 3. 进行跳转 （需要做访问权限控制）
      if (store.getters['cart/selectedTotal'] === 0) {
        return Message({ text: '至少选中一件商品才能结算' })
      }

      if (!store.state.user.profile.token) {
        // 未登录
        Confirm({ content: '下单结算需要登录，您是否去登录？' })
          .then(() => {
            router.push('/member/checkout')
          })
          .catch(e => console.log(e))
      } else {
        // 已登录
        router.push('/member/checkout')
      }
    }

    return {
      checkOne,
      checkAll,
      deleteCart,
      batchDeleteCart,
      changeCount,
      updateCart,
      goCheckout
    }
  }
}
</script>
<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
